Crystal oscillators are loosely divided with the frequency they get the job done at and whether they are essential oscillators—perform at the frequency marked about the can or at even multiples of that (overtone oscillators). Significant-repetition-price and significant-power picosecond regenerative amplifier determined by only one bulk Nd:GdVO4 crystal 的很多特性，如温度稳定性，老化... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html